<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserlist"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserlist"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">
            添加用户
          </el-button>
        </el-col>
      </el-row>
      <el-table :data="userList" style="width: 100%" :border="true">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top-start"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="this.queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="this.queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="this.total"
      ></el-pagination>
      <el-dialog
        title="提示"
        :visible.sync="addDialogVisible"
        @close="addDialogClose"
      >
        <el-form :model="addRulesForm" :rules="userRule" ref="addRulesForm">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addRulesForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addRulesForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addRulesForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addRulesForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>
      <el-dialog
        title="修改用户信息"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDialogClose"
      >
        <el-form
          :model="editUserForm"
          :rules="editUserRules"
          ref="editUserForm"
          label-width="70px"
        >
          <el-form-item label="用户名" prop="username">
            <el-input v-model="editUserForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editUserForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editUserForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">
            确 定
          </el-button>
        </span>
      </el-dialog>
      <el-dialog title="分配角色" :visible.sync="setROleDialog" width="30%"
      @close="setROleDialogClose">
        <p>当前的用户:{{ userInfo.username }}</p>
        <p>当前的角色:{{ userInfo.role_name }}</p>
        <p>
          分配新角色
          <el-select v-model="selectedRoleById" placeholder="请选择角色">
            <el-option
              v-for="item in roleList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setROleDialog = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">
            确 定
          </el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入正确的手机号码'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      editDialogVisible: false,
      setROleDialog: false,
      addRulesForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      userInfo: {},
      roleList: [],
      selectedRoleById: '',
      editUserForm: {},
      editUserRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      userRule: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在3-10个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 10, message: '长度在6-15个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.getUserlist()
  },
  methods: {
    async getUserlist() {
      const { data: res } = await this.$http.get('/users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户数据失败')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    handleSizeChange(sizeValue) {
      console.log(sizeValue)
      this.queryInfo.pagesize = sizeValue
      this.getUserlist()
    },
    handleCurrentChange(currentNum) {
      console.log(currentNum)
      this.queryInfo.pagenum = currentNum
      this.getUserlist()
    },
    async userStateChange(userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更改用户状态失败')
      }
      this.$message.success('更改用户状态成功')
    },
    addDialogClose() {
      this.$refs.addRulesForm.resetFields()
    },
    async addUser() {
      await this.$refs.addRulesForm.validate(valid => {
        if (!valid) return
        this.$http.post('users', this.addRulesForm)
        this.addDialogVisible = false
        this.getUserlist()
      })
    },
    async showEditDialog(id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editUserForm = res.data
      this.editDialogVisible = true
    },
    editDialogClose() {
      this.$refs.editUserForm.resetFields()
    },
    editUserInfo() {
      this.$refs.editUserForm.validate(async valid => {
        if (!valid) {
          return
        }
        const { data: res } = await this.$http.put(
          'users/' + this.editUserForm.id,
          {
            email: this.editUserForm.email,
            mobile: this.editUserForm.mobile
          }
        )
        if (res.meta.status !== 200) {
          return this.$message.error('修改用户信息失败')
        }
        this.editDialogVisible = false
        this.getUserlist()
        this.$message.success('更新用户信息成功')
      })
    },
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除用户')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.getUserlist()
      this.$message.success('删除用户成功')
    },
    async setRole(role) {
      this.userInfo = role
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色数据失败')
      }
      this.roleList = res.data
      this.setROleDialog = true
    },
    async saveRoleInfo() {
      if (!this.selectedRoleById) {
        return this.$message.error('请选择你要分配的角色')
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleById
        }
      )
      if (res.meta.status !== 200) {
        return this.$message.error('分配角色失败')
      }
      this.setROleDialog = false
      this.getUserlist()
    },
    setROleDialogClose() {
      this.selectedRoleById = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped></style>
